The storyAncient Greek · derived fromαἵρεσιςLatin · derived fromhaeresisEnglish todayheresio-From Latin haeresis, from Ancient Greek αἵρεσις (haíresis).Words from the same rootsLatinhaeresis all →heresyAncient Greekαἵρεσις all →heresyEtymology from Wiktionary, CC BY-SA 4.0.